.topic{
  // background-image: url(https://i.postimg.cc/bvH6yV3V/01.jpg);
  // background-size: cover;
  // background-repeat: no-repeat;
  background-image: linear-gradient(#F7FBFE, #ffffff);
  height: 80px;
  width: 200;
}
.totle{
  // background-image: url(https://i.postimg.cc/Z5Yg9Syt/02.png);
  // background-size: cover;
  // background-repeat: no-repeat;
  background-image: linear-gradient(#F5FDF7, #ffffff);
  height: 80px;
  width: 200;
}
.submit{
  // background-image: url(https://i.postimg.cc/BvrMC9tv/03.png);
  // background-size: cover;
  // background-repeat: no-repeat;
  background-image: linear-gradient(#FAF6FD, #ffffff);
  height: 100px;
  width: 200;

}
.active{
  // background-image: url(https://i.postimg.cc/Dyx6MbmH/04.png);
  // background-size: cover;
  // background-repeat: no-repeat;
  background-image: linear-gradient(#F7F6FD, #ffffff);
  height: 80px;
  width: 200;

}